<!DOCTYPE html>
<html>
<head>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
    <meta name="viewport" content="initial-scale=1.0, user-scalable=no" />
    <style type="text/css">
        body, html,#allmap {width: 100%;height: 100%;overflow: hidden;margin:0;font-family:"微软雅黑";}
    </style>
    <script type="text/javascript" src="http://api.map.baidu.com/api?v=2.0&ak=EzfQTH533pbevnhohMX4QZRK"></script>
    <script type="text/javascript" src="http://developer.baidu.com/map/jsdemo/demo/convertor.js"></script>
    <title>GPS转百度</title>
</head>
<body>
<div id="allmap"></div>
</body>
</html>
<script type="text/javascript">
    // 百度地图API功能
    //GPS坐标
    var xx = 116.45761919999997;
    var yy = 39.862293439999995;
    var gpsPoint = new BMap.Point(xx,yy);

    //地图初始化
    var bm = new BMap.Map("allmap");
    bm.centerAndZoom(gpsPoint, 15);
    bm.addControl(new BMap.NavigationControl());

    //添加谷歌marker和label
    var markergps = new BMap.Marker(gpsPoint);
    bm.addOverlay(markergps); //添加GPS标注
    var labelgps = new BMap.Label("我是GPS标注哦",{offset:new BMap.Size(20,-10)});
    markergps.setLabel(labelgps); //添加GPS标注

    //坐标转换完之后的回调函数
    translateCallback = function (point){
        var marker = new BMap.Marker(point);
        bm.addOverlay(marker);
        var label = new BMap.Label("我是百度标注哦",{offset:new BMap.Size(20,-10)});
        marker.setLabel(label); //添加百度label
        bm.setCenter(point);
        alert(point.lng + "," + point.lat);
    }

    setTimeout(function(){
        BMap.Convertor.translate(gpsPoint,0,translateCallback);     //真实经纬度转成百度坐标
    }, 2000);
</script>
